*SUPPORT*
IN: fep wif wif OUT: PINK PINK PINK PINK
IN: dax fep OUT: BLUE PINK
IN: gazzer wif tufa fep OUT: PINK PINK GREEN GREEN
IN: dax kiki lug dax OUT: BLUE RED BLUE
IN: kiki OUT: RED
IN: fep tufa dax OUT: BLUE BLUE PINK
IN: fep fep lug kiki gazzer wif OUT: PINK PINK RED GREEN PINK PINK RED GREEN
IN: fep lug gazzer lug gazzer OUT: PINK GREEN GREEN
IN: fep OUT: PINK
IN: kiki lug fep OUT: RED PINK
IN: dax OUT: BLUE
IN: dax wif OUT: BLUE BLUE
IN: kiki lug dax wif wif OUT: RED BLUE BLUE BLUE BLUE
IN: kiki lug kiki lug fep wif OUT: RED RED PINK PINK

*QUERY*
IN: dax lug gazzer kiki lug dax lug dax OUT: BLUE GREEN RED BLUE BLUE
IN: fep dax tufa fep wif OUT: PINK PINK PINK PINK PINK BLUE
IN: dax tufa dax dax OUT: BLUE BLUE BLUE BLUE BLUE
IN: fep lug kiki OUT: PINK RED
IN: fep lug gazzer lug gazzer wif OUT: PINK GREEN GREEN GREEN
IN: gazzer gazzer OUT: GREEN GREEN
IN: kiki dax wif OUT: RED BLUE RED BLUE
IN: dax kiki kiki lug fep kiki gazzer fep OUT: BLUE RED RED PINK RED GREEN PINK
IN: gazzer gazzer dax OUT: GREEN GREEN BLUE
IN: fep gazzer lug kiki wif OUT: PINK GREEN RED PINK GREEN RED

*GRAMMAR*
kiki -> RED 
 dax -> BLUE 
 fep -> PINK 
 gazzer -> GREEN 
 u1 lug x1 -> [u1] [x1] 
 x1 tufa x2 -> [x2] [x2] [x1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 